Smilax belongs to the family ..........

Pollinia is found in which of the following plant families?

Which of the following plants possesses persistent sepals?

Given below are a few floral formulae of some well-known plants. Identify the families and describe the floral diagrams for these formulae.
$(i)$ $\oplus \, K_{(5)} \, C_{(5)} \, A_{5} \, \underline{G}_{(2)}$
$(ii)$ $\% \, K_{(5)} \, C_{1+2+(2)} \, A_{(9)+1} \, \underline{G}_{1}$
$(iii)$ $\oplus \, K_{5} \, C_{5} \, A_{5+5} \, \underline{G}_{(5)}$

Touch-me-not belongs to which family?

What is the characteristic feature of the ovary in $Brassica$ $campestris$?